Desalination Membranes as RDF for Cement Kilns: Opportunities and Constraints
The rapid expansion of desalination through reverse osmosis has significantly transformed global water resource management, but it has also created a growing challenge related to the management of end-of-life membranes. These industrial wastes, mainly composed of engineering polymers such as polyamide, polysulfone, and polypropylene, exhibit physicochemical properties that, while initially optimized for filtration, may become an asset within an energy recovery framework [1-2]. The average lifespan of reverse osmosis membranes ranges from five to ten years, generating substantial waste streams worldwide [1]. As an order of magnitude, a desalination plant with a capacity of 100,000 m³/day can generate between 2,000 … Continue reading